Sunday, August 16, 2009

Series (2 of n): How practice questions work

This series was introduced in a post on August 5th.

This installment address the approach to creating the questions. Reverse engineer the process; the best way to understand technical exams is to try to write one yourself. Keep in mind the following criteria:

You want about a 65% average score the first time they take it, assuming an appropriate audience. Too easy a test is a waste of their time and to difficult a test is a transparent display of how much you think you know or can look up on Google. The practice exam is a teaching tool, first and foremost.

Now, consider this simple approach to just one individual question:
  • What do you want the tester to prove he understands?
  • Is this better asked directly or indirectly?
  • Should they answer the right answer or illiminate the from the wrong ones?
  • Is this a question where distractin noise is appropriate, or should you just keep it short?
  • What objective of the final "real exam" goal is this practice preaparing them for?
Every practice question can take from 10-30 minutes to create from concept to explaination. In a business day then it would be production to crank out 30 questions. The real questions might have hours of argument from a board of brains behind them. These aren't just made up random trivia, each must be thought through. Each question and false choice has a purpose.

Now, as you are studying for your next exam....try to anticipate what really seems to capture the truth and presence of the class. Step into the shoes of the psycho(metrician) and ask what would it take to fool...you.

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